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These three LED light sources are an economical way to experiment with light, color, and optics. You get one blue LED light source, one red LED light source and one green LED light source. Each light source includes a cap with a slit to produce a flat narrow beam that is perfect for many optics experiments. The color beams are easy to see and help study refraction, reflection, focal points, color mixing, and more.
These color LED light sources are perfect for experimenting with our prisms and lenses. Each light source has a magnetic side which allows it to adhere to most whiteboards for classrooms demonstrations. Basic operating instructions are provided, but you provide your own ideas for experimenting. Each light source includes two AA batteries.
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